Home / 3,627.85-5,444.21-1,319.35

Finding the Fourth Proportional to 3,627.85, 5,444.21 and 1,319.35

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Solution

The fourth proportional to 3,627.85, 5,444.21 and 1,319.35 is: 1,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.85 : 5,444.21 = 1,319.35 : x
  2. Step 2: Convert to fraction form
    3,627.85/5,444.21 = 1,319.35/x
  3. Step 3: Cross multiply
    3,627.85x = 5,444.21 × 1,319.35
  4. Step 4: Simplify right side
    3,627.85x = 7,182,818.46
  5. Step 5: Solve for x
    x = 7,182,818.46/3,627.85
  6. Step 6: Final answer
    x = 1,979.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.